Missing out on the best days in the market can be costly. An analysis of the growth of $10,000 invested in the S&P 500 Index January 1, 1980 through December 31, 2018 found that being invested for all days resulted in an account worth $659,515. Missing just the 5 best days out of that time period resulted in a value of $426,993. Missing the best 50 days led to a value of $57,382.
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